<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <link href="http://cdn.bootcss.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet"/>
    <script src="http://cdn.bootcss.com/bootstrap/3.3.0/css/bootstrap.min.js"></script>
    <script type="text/javascript">
        $(document).ready(function () {

        });
    </script>
    <title>frame</title>
</head>
<body>
<div class="row-fluid">
    <div class="span10 well">
        <h3>frame</h3>
        <iframe id="if" name="nf" src="https://www.baidu.com" width="800" height="300"></iframe>
    </div>
</div>
</body>
</html>